Create shell-integration-sample

shell-integration-sample/src/extension.ts

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+import { basename, dirname } from 'path';
+import * as vscode from 'vscode';
+
+const terminalProfileName = 'Tracking Editor';
+
+
+export function activate(context: vscode.ExtensionContext) {
+	const trackedTerminals: Set<vscode.Terminal> = new Set();
+
+	context.subscriptions.push(
+		vscode.window.registerTerminalProfileProvider('shell-integration-sample.track-editor-directory', {
+			provideTerminalProfile(token) {
+				return {
+					options: {
+						name: terminalProfileName
+					}
+				};
+			}
+		}),
+		vscode.window.onDidChangeTerminalShellIntegration(e => {
+			if (e.terminal.name === terminalProfileName && !trackedTerminals.has(e.terminal)) {
+				trackedTerminals.add(e.terminal);
+			}
+		}),
+		vscode.workspace.onDidOpenTextDocument(e => {
+			if (e.uri.scheme !== 'file') {
+				return;
+			}
+			const targetUri = vscode.Uri.file(dirname(e.fileName));
+			for (const terminal of trackedTerminals) {
+				const cwd = terminal.shellIntegration?.cwd;
+				if (cwd && cwd.toString() !== targetUri.toString()) {
+					terminal.shellIntegration.executeCommand('cd', [targetUri.fsPath]);
+				}
+			}
+		})
+	);
+}

shell-integration-sample/src/test/extension.test.ts

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+import * as assert from 'assert';
+
+// You can import and use all API from the 'vscode' module
+// as well as import your extension to test it
+import * as vscode from 'vscode';
+// import * as myExtension from '../../extension';
+
+suite('Extension Test Suite', () => {
+	vscode.window.showInformationMessage('Start all tests.');
+
+	test('Sample test', () => {
+		assert.strictEqual(-1, [1, 2, 3].indexOf(5));
+		assert.strictEqual(-1, [1, 2, 3].indexOf(0));
+	});
+});